books.google.com - In one series, the original writings of the universally acknowledged teachers of the Catholic, Protestant, Eastern Orthodox, Jewish, and Islamic traditions have been critically selected, translated and introduced by internationally recognized scholars and spiritual leaders....https://books.google.com/books/about/Hildegard_of_Bingen.html?id=7SVDoDhCV3oC&utm_source=gb-gplus-shareHildegard of Bingen